21131272 (number)

21131272 is an even 8-digits composite number following 21131271 and preceding 21131273. In scientific notation, it is written as 2.1131272 × 10^7. The sum of its digits is 19. It has a total of 5 prime factors and 16 positive divisors. There are 9944064 positive integers (up to 21131272) that are relatively prime to 21131272.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-one thousand two hundred seventy-two

Notation

Scientific notation 2.1131272 × 10^7
Engineering notation 2.1131272 × 10^6

Prime Factorization of 21131272

Prime Factorization 2 × 2 × 2 × 17 × 155377

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5282818
Product of the distinct prime numbers

The prime factorization of 21131272 is 2 × 2 × 2 × 17 × 155377. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21131272)

Multiplication

n×y
n×2 42262544
n×3 63393816
n×4 84525088
n×5 105656360

Division

n÷y
n÷2 10565636
n÷3 7043757.3333333
n÷3 5282818
n÷5 4226254.4

Exponentiation

ny
n2 446530656337984
n3 9.4357607554165E+21
n4 1.9938962704963E+29
n5 4.2133564431643E+36

Nth Root

y√n
2√n 4596.8763307272
3√n 276.46609614303
4√n 67.800267925187
5√n 29.173271115561

Divisors of 21131272

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21131271
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21131272 can be divided by 16 positive divisors. The sum of these divisors (counting 21131272) is 1, the average is 0.0625.

Base conversion 21131272

Base System Value
2 Binary 1010000100111000000001000
3 Ternary 1110202120122201
4 Quaternary 1100213000020
5 Quinary 20402200042
6 Senary 2032525544
8 Octal 120470010
10 Decimal 21131272
12 Duodecimal 70b08b4
16 Hexadecimal 1427008
20 Vigesimal 6c183c
36 Base36 ckwzs

Cryptographic Hash Functions

md5 3e8513850e4711ca20f0f31e1bba199b
sha1 e14ef8ba35f23aebaa35142b680b32ca3965da22
sha256 4f9c8dd5e8aa71334331d69aaa013cca82eec82319b9ebf29c82adb7b15a41d8
sha512 7befb15cc2c5d5c448d438d042d3d133e1af0864e2d39acf8728692a0fc3f9b843ef9ecc6c452f1e6a38f0f48e97e09d03cb7300e031442b8edb9bf8b34058f4
ripemd-160 40877b62a633cd88eb8f8a4417cd6a9c678ec38e

21131272 as geometric shapes

Circle

Radius = n
Diameter 42262544
Circumference 132771697.75242
Area 1.402817429554E+15

Sphere

Radius = n
Volume 3.9524422226996E+22
Surface area 5.6112697182162E+15
Circumference 132771697.75242

Square

Length = n
Perimeter 84525088
Area 446530656337984
Diagonal 29884131.452595

Cube

Length = n
Surface area 2679183938027904
Volume 9.4357607554165E+21
Space diagonal 36600436.732558

Equilateral Triangle

Length = n
Perimeter 63393816
Area 1.9335344597862E+14
Altitude 18300218.366279

Triangular Pyramid

Length = n
Surface area 1.9335344597862E+14
Volume 1.1120150693015E+21
Height 9961377.1508649